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Q.5. Science of cultivation, breeding, marketing and arrangement of flowers is called

  1. arboriculture
  2. floriculture
  3. horticulture
  4. anthology
Answer: (b) floriculture
Explanation: Science of cultivation, breeding, marketing and arrangement of flowers is called floriculture

Sexual Reproduction In Flowering Plants - Class 12th Biology Practice Test| MCQs For NEET

25 Questions 9 Attempts 4.51K Seen
This practice test includes 25 Important questions from the chapter sexual reproduction in flowering plants class 12th Biology. Start Test without Login in
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Q.1. The anther wall consists of four wall layers where

  1. tapetum lies just inner to endothecium
  2. middle layers lie between endothecium and tapetum
  3. endothecium lies inner to middle layers
  4. tapetum lies next to epidermis

Q.2. Anther is generally

  1. monosporangiate
  2. bisporangiate
  3. tetrasporangiate
  4. trisporangiate.

Q.3. The stamens represent

  1. microsporangia
  2. male gametophyte
  3. male gametes
  4. microsporophylls.

Q.4. Nonessential floral organs in a flower are

  1. sepals and petals
  2. anther and ovary
  3. stigma and filament
  4. petals only.

Q.5. Science of cultivation, breeding, marketing and arrangement of flowers is called

  1. arboriculture
  2. floriculture
  3. horticulture
  4. anthology

Q.6. From among the sets of terms given below, identify those that are associated with the gynoecium

  1. Stigma, ovule, embryo sac, placenta
  2. Thalamus, pistil, style, ovule
  3. Ovule, ovary, embryo sac, tapetum
  4. Ovule, stamen, ovary, embryo sac

Q.7. During microsporogenesis, meiosis occurs in

  1. endothecium
  2. microspore mother cells
  3. microspore tetrads
  4. pollen grains

Q.8. The outermost and innermost wall layers of microsporangium in an anther are respectively

  1. endothecium and tapetum
  2. epidermis and endodermis
  3. epidermis and middle layer
  4. epidermis and tapetum.

Q.9. Embryo sac is to ovule as _______ is to an anther.

  1. Stamen
  2. filament
  3. pollen grain
  4. androecium

Q.10. An embryo may sometimes develop from any cell of embryo sac other than egg. It is termed as

  1. apospory
  2. apogamy
  3. parthenogenesis
  4. parthenocarpy

Q.11. Polyembryony commonly occurs in

  1. banana
  2. tomato
  3. Potato
  4. Citrus

Q.12. Indentify the wrong statement regarding post-fertilisation development

  1. The ovary wall develops into pericarp.
  2. The outer integument of ovule develops into tegmen
  3. The fusion nucleus (triple nucleus) develops into endosperm.
  4. The ovule develops into seed.

Q.13. Persistent nucellus is called as _______ and is found in _______.

  1. perisperm, black pepper
  2. perisperm, groundnut
  3. endosperm, black pepper
  4. endosperm groundnut

Q.14. In albuminous seeds, food is stored in _______ and in non albuminous seeds, it is stored in _______

  1. endosperm, cotyledons
  2. cotyledons, endosperm
  3. nucellus, cotyledons
  4. endosperm, radicle

Q.15. Endospermic seeds are found in

  1. castor
  2. barley
  3. Coconut
  4. All of these

Q.16. Spiny or sticky pollen grains and large, attractively coloured flowers are associated with

  1. hydrophily
  2. entomophily
  3. ornithophily
  4. anemophily

Q.17. Which of the following is not a water pollinated plant ?

  1. Zostera
  2. Vallisneria
  3. Hydrilla
  4. Cannabis

Q.18. Plants with ovaries having only one or a few ovules are generally pollinated by

  1. bees
  2. Butterflies
  3. birds
  4. Wind

Q.19. Feathery stigma occurs in

  1. pea
  2. wheat
  3. Datura
  4. Caesalpinia

Q.20. Male and female flowers are present on different plants (dioecious) to ensure xenogamy, in

  1. papaya
  2. bottle gourd
  3. maize
  4. all of these.

Q.21. Even in absence of pollinating agents seed-setting is assured in

  1. Commelina
  2. Zostera
  3. Salvia
  4. Fig

Q.22. Both chasmogamous and cleistogamous flowers are present in

  1. Helianthus
  2. Commelina
  3. Rosa
  4. Gossypium

Q.23. Polygonum type of embryo sac is

  1. 8 – nucleate, 7 – celled
  2. 8 – nucleate, 8 – celled
  3. 7 – nucleate, 7 – celled
  4. 4 – nucleate, 3 – celled

Q.24. The female gametophyte of a typical dicot at the time of fertilisation is

  1. 8 – celled
  2. 7 – celled
  3. 6 – celled
  4. 5 – celled

Q.25. What is the function of filiform apparatus in an angiospermic embryo sac?

  1. Brings about opening of the pollen tube
  2. Guides the pollen tube into a synergid
  3. Prevents entry of more than one pollen tube into a synergid
  4. None of these
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